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Finding the Third Proportional to 292,279,447 and 636,011,854

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Solution

The third proportional to 292,279,447 and 636,011,854 is: 1,383,987,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,279,447 : 636,011,854 = 636,011,854 : x
  2. Step 2: Convert to fraction form
    292,279,447/636,011,854 = 636,011,854/x
  3. Step 3: Cross multiply
    292,279,447x = 636,011,854 × 636,011,854
  4. Step 4: Simplify right side
    292,279,447x = 404,511,078,428,517,312
  5. Step 5: Solve for x
    x = 404,511,078,428,517,312/292,279,447
  6. Step 6: Final answer
    x = 1,383,987,422.24

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.